H04K 3/82
Related to preventing surveillance, interception or detection
Official title: {related to preventing surveillance, interception or detection}
H04K3/82 (Related to preventing surveillance, interception or detection) appears on 720 US grants and 657 published applications in this corpus.
Search patents in H04K- Granted patents
- 720
- Published applications
- 657
- Assignees
- 402
- Inventors
- 1,494
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 21 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 12 | 2 |
| 2003 | 4 | 18 |
| 2004 | 6 | 16 |
| 2005 | 6 | 15 |
| 2006 | 12 | 21 |
| 2007 | 13 | 20 |
| 2008 | 16 | 21 |
| 2009 | 14 | 25 |
| 2010 | 15 | 18 |
| 2011 | 30 | 23 |
| 2012 | 23 | 20 |
| 2013 | 23 | 35 |
| 2014 | 36 | 30 |
| 2015 | 36 | 45 |
| 2016 | 35 | 40 |
| 2017 | 39 | 37 |
| 2018 | 37 | 44 |
| 2019 | 45 | 36 |
| 2020 | 35 | 35 |
| 2021 | 30 | 30 |
| 2022 | 27 | 36 |
| 2023 | 34 | 28 |
| 2024 | 27 | 29 |
| 2025 | 27 | 21 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for reducing interference between radar and uplink frequency band and communication apparatus4 Aug 2026US 12,701,599 B2Huawei Technologies Co., Ltd.
- Personal electronic device enhancing call privacy9 Jun 2026US 12,651,586 B2xMEMS Labs, Inc.
- Internal card reader skimmer disrupter26 May 2026US 12,640,834 B2NCR Atleos Corporation
- NR scheme for managing eavesdroppers of passive radios12 May 2026US 12,627,395 B2Nokia Technologies Oy
- Acoustic pattern determination5 May 2026US 12,620,401 B2Hewlett-Packard Development Company, L. P.
- Device for the tap-proof placement of a mobile telephone17 Sep 2026US 2026/0280747 A1Guardian, LLC
- Internal card reader skimmer disrupter30 Jul 2026US 2026/0222105 A1NCR Atleos Corporation
- Emissions mitigation system for secure space eavesdropping protection25 Jun 2026US 2026/0180707 A1Northrop Grumman Systems Corporation
- Wireless sensing protection11 Jun 2026US 2026/0160855 A1QUALCOMM Incorporated
- Secure communications through friend-aware intelligent jamming in contested environments11 Jun 2026US 2026/0163667 A1The Board of Trustees of the University of Illinois
Most cited
By later US patents
- Method for collecting data using compact internetworked wireless integrated network sensors (WINS)932US 6,735,630 B1Sensoria Corporation · 2004
- Method and apparatus for internetworked wireless integrated network sensor (WINS) nodes858US 6,859,831 B1Sensoria Corporation · 2005
- Method and apparatus for distributed signal processing among internetworked wireless integrated network sensors (WINS)510US 6,832,251 B1Sensoria Corporation · 2004
- Apparatus for internetworked hybrid wireless integrated network sensors (WINS)463US 6,826,607 B1Sensoria Corporation · 2004
- Dummy traffic generation252US 5,086,467 AMotorola, Inc. · 1992